About Web Content Accessibility Guidelines
Web accessibility requirements refer to the navigation, design, and coding considerations that help visitors using different types of web-enabled devices and visitors with disabilities use website. The requirements of WCAG 2.0 follow four principles which provide criteria to make websites perceivable, operable, understandable and robust for persons with various types of disabilities.
- Perceivable: web-based content and interface components must be presented in ways that all users can perceive. This takes into consideration the effect of colour, size, typeface and sound.
- Operable: all users must be able to simply and accurately manipulate all interface and navigation components, taking in account how they operate their computers.
- Understandable: content and interfaces must be clear so that all people can understand a website. Consistency of interface elements, intuition in appearance and operation, and plain language are part of this principle.
- Robust: robust websites can be reliably interpreted by a wide variety of browsers, devices and assistive technologies.
Top 10 Digital Accessibility Tips:
Follow these tips to make your content more accessible, and avoid the most common digital accessibility errors.
- Make link text meaningful by describing the content of the link’s destination.
- Write Alt text for your images where required. Learn more about Alt text and when to use it.
- Do not use images of text if you can just use text. If you have text in your graphics, make sure the text is duplicated in the page or social media text.
- Avoid relying on colour or images to convey meaning.
- Make sure your text is readable on the background by using colours that contrast at least 4.5:1.
- Avoid using PDFs to share information. Create a webpage, or provide an equivalent experience that is accessible, such as a Word document.
- Organize your content by using descriptive headings, and use tables for data purposes, not as a layout tool.
- Avoid flashing, flickering, or scrolling content.
- Make media accessible by providing transcripts to accompany audio or video
- Keep your text readable by being conservative with colours, uppercase, italics, or bold text. Reserve underlines for links only.
Applying the Essentials to Your Digital Content
Keep these essentials in mind when adding content to your website, or when creating content or documents that will be shared online. Follow the links for more details.
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